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Errors: When a dynamic linking failure or some other "hard" failure in the virtual machine happens, the virtual machine gives an Error. Typical Java programs could not find Errors. In addition, it's unlikely that typical Java programs can ever give Errors either.
Exceptions: Most programs give and catch objects that define from the Exception class. Exceptions indicate that a problem happened but that the problem is not a serious JVM problem. An Exception class has different subclasses. These descendants indicate several types of exceptions that can happen. One exception subclass has unique meaning in the Java language: RuntimeException. All the exceptions except RuntimeException are checked on compile time. If a method is capable of gaining a checked exception it has to be declared it in its method header or handle it in a try/catch block.
A RuntimeException:class presents exceptions that happen within the Java virtual machine. A type of a runtime exception is NullPointerException. The price of checking for the runtime exception usually outweighs the benefit of catching it. Trying to catch or specify all of them all the time could prepare your code unmaintainable and unreadable. The compiler gives runtime exceptions to go unspecified and uncaught.
Spring comprises of seven modules. They are.. a) The core container b) Spring context c) Spring AOP d) Spring DAO e) Spring ORM f) Spring Web module g) Sprin
BeanFactory has many executions in Spring. But one of the most useful one is org.springframework.beans.factory.xml.XmlBeanFactory, which loads its beans based on the definitions ha
Write a program on clearing Rectangles ? It is also potential to clear a rectangle that you've drawn. The syntax is exactly what you'd expect: public abstract void clearRect
Your next task is to implement the MovieList class that manages the details for a list of DVD Movies read from the specified data file. The constructor will include a parameter tha
A socket is interaction channel, which facilitates inter-process communication. A socket is an endpoint for interaction. There are two types of sockets, dependin
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1. Arrays and working with arrays
What is the difference between a while statement and a do while statement? A while statement checks at the starting of a loop to see whether the next loop iteration should occu
Explain multi dimentional arrays in java? So far all these arrays have been one-dimensional. That is, a single number could locate any value in the array. Therefore sometimes d
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